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nixos/redmine: Fix PNG generation of Gant diagrams

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The Ruby gem `minimagick` is used to export Gant diagrams as PNG.
However, minimagick can't find a font and Redmine throws an error. The
setting `minimagick_font_path` allows configuring a path to a font file
in the Redmine configuration. Thus, add the option
`services.redmine.components.minimagick_font_path` allowing to do that.

Also, add an assertion to check if
`services.redmine.components.minimagick_font_path` is set when
imagemagick is enabled.

Signed-off-by: Felix Singer <felixsinger@posteo.net>
This commit is contained in:
Felix Singer 2022-05-15 00:02:45 +02:00
parent 66ef66fc62
commit 562bc5c2a9
1 changed files with 11 additions and 0 deletions
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11
nixos/modules/services/misc/redmine.nix
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@ -249,6 +249,13 @@ in
default = false;
description = "Allows exporting Gant diagrams as PDF.";
};
minimagick_font_path = mkOption {
type = types.str;
default = "";
description = "";
example = "/run/current-system/sw/share/X11/fonts/LiberationSans-Regular.ttf";
};
};
};
};
@ -269,6 +276,9 @@ in
{ assertion = cfg.database.createLocally -> cfg.database.host == "localhost";
message = "services.redmine.database.host must be set to localhost if services.redmine.database.createLocally is set to true";
}
{ assertion = cfg.components.imagemagick -> cfg.components.minimagick_font_path != "";
message = "services.redmine.components.minimagick_font_path must be configured with a path to a font file if services.redmine.components.imagemagick is set to true.";
}
];
services.redmine.settings = {
@ -280,6 +290,7 @@ in
scm_bazaar_command = if cfg.components.breezy then "${pkgs.breezy}/bin/bzr" else "";
imagemagick_convert_command = if cfg.components.imagemagick then "${pkgs.imagemagick}/bin/convert" else "";
gs_command = if cfg.components.ghostscript then "${pkgs.ghostscript}/bin/gs" else "";
minimagick_font_path = "${cfg.components.minimagick_font_path}";
};
};